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Definitions

undeterred

ADJECTIVE
undaunted
Synonyms
STRONGEST
fearless indomitable steadfast
WEAK
audacious coming on strong courageous dauntless fire-eating gallant icy intrepid not discouraged not put off resolute spunky unafraid unalarmed unapprehensive undiscouraged undismayed unfaltering unflinching unshrinking valiant valorous
Antonyms
WEAK
cowardly shrinking
ADJECTIVE
untiring
Synonyms
WEAK
constant continued continuing dedicated devoted dogged eager beaver fireball firm go-go grind hyper incessant indefatigable indomitable inexhaustible jumping patient perky persistent pertinacious plodding plugging resolute staunch steady strong tenacious tireless unceasing unfailing unfaltering unflagging unflinching unremitting unstinted unswerving unwavering unwearied
Antonyms
WEAK
failing irresolute tiring unpersevering

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The joke fell flat, but Bessent was undeterred.

From Salon • Jun. 12, 2026

Still, fans are undeterred from visiting: Guadalajara, along with Vancouver, boasts the top hotel occupancy rate among all of the tournament’s host cities.

From The Wall Street Journal • Jun. 11, 2026

When Lena did tell him her age - a few weeks after first meeting - Kjetil was undeterred.

From BBC • Apr. 25, 2026

Nonplussed but undeterred, Cook mailed the documents again.

From Los Angeles Times • Apr. 13, 2026

Wes stood undeterred and again asked her what was wrong.

From "The Other Wes Moore: One Name, Two Fates" by Wes Moore

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